CDM Investment Group, Inc. Email Format

ConstructionKansas, United States11-50 Employees

CDM Investment Group, Inc. is a privately held owner of construction-focused businesses, based in Overland Park, Kansas. Its portfolio comprises several construction-related entities, including E&K Companies, Inc., Brady West, Inc., Elljay Acoustics, Inc., Civic Elite Contracting, Inc., and CDM Service Group, Inc. The firm emphasizes a management approach centered on continuous improvement integrated across its operations. 

In late 2024, the group announced a leadership change with John Caruso promoted to President of E&K of Denver, signaling ongoing governance evolution across the portfolio. A 2021 report notes that Ron, who has led Elljay Acoustics since 1977, joined CDM’s leadership team while continuing in his role as Elljay’s president.

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